Durmuşçelebi, Cemal, Ercan Akan, and Kasım Kiraci. “The Perspective of the Aviation Organizations on the ICAO’s SMS Framework: A Spherical Fuzzy AHP Study”. Aviation 29, no. 2 (May 29, 2025): 82–94. Accessed June 7, 2025. https://journals.vilniustech.lt/index.php/Aviation/article/view/23596.